Use the System File Checker tool to repair missing or corrupted system ...
When critical Windows system files are missing or corrupted, your operating system may begin to malfunction. Common symptoms include Windows features not working properly, system errors, or Windows becoming unresponsive or freezing.
Xbox Support
Xbox Support ... Xbox Support
Uninstall or remove apps and programs in Windows - Microsoft Support
There are different ways to remove apps and programs, so if you can't find the one you're looking for, you can try another location. Note that some apps and programs are built into Windows and can't be uninstalled. You can try to repair a program first, if it's just not running correctly.
Repair apps and programs in Windows - Microsoft Support
This article explains how to repair apps and programs in Windows 11 and use Settings to fix common app issues without reinstalling. You can repair some apps and programs if they're not running correctly. Note that you won't see repair, change, or modify options for all apps and programs. Repair options from the Settings page.
Automatically diagnose and repair Windows file and folder problems ...
Troubleshoots and fixes common issues with file and folder operations in Windows.
Fix problems that block programs from being installed or removed
First, you'll need to download the troubleshooter. Download troubleshooter. If you see the File Download box when you start downloading, select Run or Open. The troubleshooter provides steps for you to follow. If a program isn't listed in the uninstall options, you'll be asked for that program's product code.
Running troubleshooters in Get Help - Microsoft Support
Get Help has troubleshooters you can run for many common scenarios. These often help resolve issues without the need to contact support. If a troubleshooter is available for your issue, select Start to run that troubleshooter. After you run any troubleshooter, Get Help provides details on any findings and suggestions for possible remedies.
Defragment / optimize your data drives in Windows - Microsoft Support
Learn how to use Manage and Optimize Drives to keep your disk and data drives defragmented and at top performance in Windows.
File Explorer in Windows - Microsoft Support
Windows File Explorer helps you find, open, organize, and manage files and folders on your PC and in the cloud. To open File Explorer in Windows 11, select it on the taskbar or the Start menu, or press the Windows logo key + E on your keyboard. How to use File Explorer:
Windows File Recovery - Microsoft Support
Use this app to try to recover lost files that have been deleted from your local storage device (including internal drives, external drives, and USB devices) and can’t be restored from the Recycle Bin. Recovery on cloud storage and network file shares is not supported.